<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格</title>
    <style>
        table {
            width: 500px;
            border: 1px solid gray;

            /* 表格中的距离不能为负值 */
            /* border-spacing: -1px; */

            border-collapse: collapse;
        }

        td {
            border: 1px solid gray;
            width: 100px;
            height: 60px;

        }
    </style>
</head>

<body>
    <table>
        <tbody>
            <tr>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td></td>
                <td></td>
                <td></td>
            </tr>
        </tbody>
    </table>

</body>

</html>